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Annabergite and Pyrophyllite Physical Properties


Pyrophyllite and Annabergite Physical Properties


Physical Properties

Tenacity
Sectile   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.07   
2.65-2.90   

Fracture
Brittle, Metallic, Brittle, Metallic, Brittle, Metallic   
Gemstones (2009), Flexible Flexible fragments.   

Cleavage
Perfect on {010}, indistinct on {100} and {102}   
{001} Perfect   

Mohs Hardness
2   
Not Available   

Chemical Composition
Ni3(AsO4)2•8(H2O)   
Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Annabergite and Pyrophyllite Chemical Formula

While comparing Annabergite and Pyrophyllite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Annabergite and Pyrophyllite chemical formula.

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Annabergite and Pyrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Annabergite and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Annabergite and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Annabergite is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.

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